2639874

素因数分解:

$2^1\times 3^1\times {\mathrm{223}}^1\times {\mathrm{1973}}^1$

素因数の和:2201

約数の個数: 16

約数和(自身を含む): 5306112

約数和(自身を除く): 2666238

約数列:

[1, 2, 3, 6, 223, 446, 669, 1338, 1973, 3946, 5919, 11838, 439979, 879958, 1319937, 2639874]

約数ペア:

[(1, 2639874), (2, 1319937), (3, 879958), (6, 439979), (223, 11838), (446, 5919), (669, 3946), (1338, 1973)]